SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('95ceac4e0394b2f67e5b4d778df8f174','0','3.141.47.163','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716182377','calendar.php?sid=a5435bfe6b3a804137c2a55c26d07f20','0','0','')
mysql error: Duplicate entry '95ceac4e0394b2f67e5b4d778df8f174' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 20.05.2024 @ 07:19
Script: /calendar.php?sid=a5435bfe6b3a804137c2a55c26d07f20
Referer: